The Wisconsin Native Loan Fund is a mortgage from Wisconsin Native Loan Fund. The ongoing APR is Typically between 6 to 12%. Rates are based on collateral and credit ratings.. Typical credit limit: $1,000 - $250,000 depending on financing needs and appraised value, higher loan amounts available with Board approval.. Loan terms: 12-to-18 month loan with a balloon payment due at the end of the loan..